Transparent Anti-Touch Plate for Touchscreen Tablet Hand Stabilization
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Solution Overview
Problem
Elderly individuals face challenges using touchscreen tablets due to difficulties in replicating their natural writing posture, as current assistive technologies do not allow hand stabilization or natural resting, are not universally adaptable, and are often expensive and interfere with natural grip techniques.
Innovation Solution
An ergonomic device with a transparent, anti-touch-sensitive plate that allows hand resting and secure grip on touchscreen tablets, featuring a curved design for stabilization and easy cleaning, enabling natural writing postures and improved control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a transparent anti-touch plate is positioned over the tablet screen, then hand resting without unintentional touch activation is enabled, but access to the touchscreen is restricted
Solution Approach 1:
The anti-touch plate is segmented with specific openings: a first opening at the bottom portion for hand resting and a second opening at the top portion for touchscreen access. This segmentation allows different regions of the plate to serve different functions - blocking touch in resting areas while permitting touch in designated interaction zones.
Solution Approach 2:
The plate exhibits local quality by having different touch sensitivity properties in different regions. The majority of the plate surface is anti-touch to prevent unintentional activation, while specific localized openings maintain touchscreen functionality for intended interactions.
2Ease of operation
If wearable devices are used to assist writing, then some support is provided, but natural grip techniques and hand stabilization are interfered with
Solution Approach 1:
The anti-touch plate serves as an intermediary device between the user's hand and the touchscreen. It mediates the interaction by allowing hand placement for stabilization while preventing unwanted touch input, and provides a structured opening that guides natural grip techniques without restricting them.
3Ease of operation
If current assistive technologies are used, then some writing support is provided, but they are not universally adaptable to different hand sizes and grip techniques
Solution Approach 1:
The anti-touch plate design is universal and adaptable to different users. The plate provides multiple functional zones that can accommodate various hand sizes, grip techniques, and writing styles. The openings are positioned to work with natural hand anatomy regardless of individual differences.
4Ease of operation
If the hand rests directly on the touchscreen, then natural writing posture is maintained, but unintentional touch activation occurs
Solution Approach 1:
The harmful touch-sensitive property is extracted from the regions where the hand needs to rest. By removing touch sensitivity from the hand-resting portions of the plate while maintaining it in the opening areas, the solution allows natural posture without the harmful effect of unintentional activation.
Data Source
AI summary
This invention is directed to an ergonomic device designed to improve touchscreen tablet use for individuals with limited mobility or hand deformities. It features a transparent, anti-touch-sensitive plate that covers the screen, preventing accidental touch inputs while maintaining full visibility. An opening allows the hand to rest or grip the tablet naturally, facilitating a traditional writing posture. The device stabilizes the tablet and enhances control, comfort, and writing legibility. It is especially beneficial for elderly users and those with physical limitations, improving ease of use and reducing errors on touchscreen interface.